Home / 126,583.56-174,705.76-72,857.17

Finding the Fourth Proportional to 126,583.56, 174,705.76 and 72,857.17

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Solution

The fourth proportional to 126,583.56, 174,705.76 and 72,857.17 is: 100,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.56 : 174,705.76 = 72,857.17 : x
  2. Step 2: Convert to fraction form
    126,583.56/174,705.76 = 72,857.17/x
  3. Step 3: Cross multiply
    126,583.56x = 174,705.76 × 72,857.17
  4. Step 4: Simplify right side
    126,583.56x = 12,728,567,565.75
  5. Step 5: Solve for x
    x = 12,728,567,565.75/126,583.56
  6. Step 6: Final answer
    x = 100,554.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.